1. We must first peel the sweet potatoes.

2. Then cut them into slices.

3. Let it sit and put it into the steamer.

4. Cover the pot and take it out of the pot after steaming.

5. Then pour it into a bowl. Use a spoon to mash the sweet potatoes.

6. Then add baking powder and flour and mix well.

7. Then knead the mixed things into dough.

8. Just put it in a bowl, cover the pot, and let it ferment for thirty minutes.

9. Then we sprinkle some flour on the chopping board.

10. Take the fermented sweet potato dough out of the bowl and knead it again, slowly rolling it into long strips.

11. Then use a knife to cut them into small pieces.

12. Then knead the cut dough back and forth until it becomes a round shape.

13. Then put them into the steamer.

14. When it is steamed and a little fluffy, it is ready to be taken out of the pot.